Wastegas steam turbine super charging system

A technology of steam turbine and supercharging system, applied in exhaust devices, mechanical equipment, engine components, etc., can solve problems such as increased fuel consumption, supercharger burst, increased oil seal burden, etc., to reduce oil consumption rate, The effect of reducing fuel consumption and improving thermal efficiency

Inactive Publication Date: 2007-06-27
张建元
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AI Technical Summary

Problems solved by technology

[0003] The turbine in the current exhaust gas turbocharging system of a diesel engine needs to withstand a high temperature of about 1000°C, which requires the use of special materials and special processes to manufacture the turbine, which requires high manufacturing costs and high-speed operation, with a speed of 100,000 to 130,000. revolution per minute, and high-speed operation also requires floating bearings and high-standard oil. This kind of oil needs to be supplied by the main engine oil pump, but the main engine can normally run normally without using such high-standard oil. This not only causes economic waste, but also The cleaning cycle of the filter is shortened, the operator is affected, frequent failures occur, the rotor shaft is fatigued and broken, and the supercharger bursts occasionally. Otherwise, the supercharger will be burned out, because of the pressure ratio, the burden on the oil seal will be increased, and if there is a slight problem, the oil will be sucked or blown away
[0004] In the current diesel engine exhaust gas turbocharging system, if the exhaust gas pollution is

Method used

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  • Wastegas steam turbine super charging system

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Example Embodiment

[0032] In an embodiment, as shown in the figure, the gas-steam turbocharging system includes a compressor 2 connected to the intake pipe 34 of the diesel engine 1 and a heat exchange device connected to the exhaust pipe 4 of the diesel engine 1. The heat exchange device includes one The shell 31 communicating with the exhaust pipe 4 and the heat exchanger, the superheated steam generator 3, and the air storage chamber 7 arranged in the shell, the superheated steam generator 3 and the air storage chamber 7 are located on the top of the heat exchanger, The heat exchanger includes a first heat exchanger 8, a second heat exchanger 9, a third heat exchanger 10, a fourth heat exchanger 11, and a fifth heat exchanger 12 separately arranged. The first heat exchanger The air chamber of 8 communicates with the air chamber of the second heat exchanger 9 through an inhalation air machine 27 arranged below the heat exchanger.

[0033] The superheated steam generator 3 is a serpentine tube comm...

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Abstract

A waste gas boosting system for steam turbine has an air compressor connected with the air inlet tube of diesel engine, and a heat exchanging unit connected with the exhaust tube of diesel engine. Said heat exchanging unit consists of a casing, 5 heat exchangers, over-heat steam generator, and steam storage chamber with a steam output tube connected to steam turbine arranged coaxially with said air compressor.

Description

Technical field [0001] The invention relates to an exhaust gas treatment supporting system for a split-cylinder diesel engine, in particular to an exhaust gas steam turbocharging system capable of recovering and reusing the chemical and thermal energy in the exhaust gas discharged by the split-cylinder diesel engine. It can also be used in installation On an ordinary diesel engine with a gas wave supercharger. Background technique [0002] Exhaust gas turbocharging of the current diesel engine only uses the pressure energy in the exhaust gas discharged by the diesel engine, and at the expense of increasing the exhaust back pressure, while the chemical energy and thermal energy in the exhaust gas are discharged into the atmosphere without any use. . [0003] The turbine in the current diesel exhaust gas turbocharging system needs to withstand a high temperature of about 1000℃, which requires special materials and special processes to manufacture the turbine. The manufacturing cost...

Claims

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Application Information

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IPC IPC(8): F02B39/02F02G5/02F01N3/08F01N3/027F02B41/00F01N5/02
CPCY02T10/166Y02T10/16Y02T10/12
Inventor 张建元
Owner 张建元
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